One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Franklin should be reviewed to estimate when you can plant mustard greens.

Planting Calendar for Mustard greens

Frost tolerance for mustard greens:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Mustard greens are moderately cold tolerant which tells us that you can plant them earlier than more sensitive plants.

The earliest that you can plant mustard greens in Franklin is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant mustard greens and expect a good harvest is probably October. Any later than that and your mustard greens may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your mustard greens indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Franklin. It might get as low as 20°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Franklin and it can change quite a bit from year to year. Half of the time in Franklin it frosts late in the year after February 15 so just be sure to be ready to protect your mustard greens if you have a late frost.

USDA Zone Info for Franklin

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Franklin

You may be interested in your other planting guides for Franklin.